/Engine/Plugins/Runtime/AR/AppleAR/AppleARKitFaceSupport/Source/AppleARKitFaceSupport/Public/AppleARKitFaceMeshComponent.h
Create/replace the face mesh from the current set of blend shapes if the device supports it
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Components|ARFaceMesh", Meta=(DisplayName="Update Face Mesh from Blend Shapes")) void UpdateMeshFromBlendShapes()